<template>
	<view class="detail-container">
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000">
			<swiper-item v-for="(item,index) in goods_info.pics" :key="index">
				<image :src="item.pics_big" @click="previewImg(index)"></image>
			</swiper-item>
		</swiper>
		<view class="goods-box">
			<view class="price">￥{{goods_info.goods_price}}</view>
			<view class="goods-info">
				<view class="goods-info-name">{{goods_info.goods_name}}</view>
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<view class="yf">快递：免运费</view>
		</view>
		<!-- 详情图 -->
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		<!-- goodsNav -->
		<view class="goodsNav">
			<uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="leftClick"
				@buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import {
		mapState,
		mapMutations,
		mapGetters
	} from 'vuex'
	export default {
		data() {
			return {
				goods_info: {},
				options: [{
					icon: 'shop',
					text: '店铺'
				}, {
					icon: 'cart',
					text: '购物车',
					info: 0
				}],
				buttonGroup: [{
						text: '加入购物车',
						backgroundColor: '#ff0000',
						color: '#fff'
					},
					{
						text: '立即购买',
						backgroundColor: '#ffa200',
						color: '#fff'
					}
				]
			}
		},
		onLoad(options) {
			const {
				goods_id
			} = options
			this.getGoodsDetail(goods_id)
		},
		computed: {
			...mapGetters('my_cart', ['total'])
		},
		watch: {
			// total(newVal) {
			// 	const options = this.options.find(item => item.text === '购物车')
			// 	if (options) {
			// 		options.info = newVal
			// 	}
			// }
			total: {
				handler(newVal) {
					const options = this.options.find(item => item.text === '购物车')
					if (options) {
						options.info = newVal
					}
				},
				immediate: true
			}
		},
		methods: {
			...mapMutations('my_cart', ['addToCart']),
			leftClick(e) {
				console.log(e)
			},
			buttonClick(e) {
				console.log(e)
				if (e.content.text === "加入购物车") {
					const goods = {
						goods_id: this.goods_info.goods_id, // 商品的Id
						goods_name: this.goods_info.goods_name, // 商品的名称
						goods_price: this.goods_info.goods_price, // 商品的价格
						goods_count: 1, // 商品的数量
						goods_small_logo: this.goods_info.goods_small_logo, // 商品的图片
						goods_state: true // 商品的勾选状态
					}
					this.addToCart(goods)

				} else if (e.content.text === '立即购买') {
					uni.switchTab({
						url: '/pages/cart/cart'
					})

				}
			},
			async getGoodsDetail(goods_id) {
				const {
					data: {
						message,
						meta
					}
				} = await uni.$http.get('/api/public/v1/goods/detail', {
					goods_id
				})
				if (meta.status !== 200) return uni.$showMsg()
				// 解决图片与图片之间白边问题
				message.goods_introduce = message.goods_introduce.replace(/<img /g, '<img style="display:block"')
				this.goods_info = message
			},
			previewImg(index) {
				uni.previewImage({
					urls: this.goods_info.pics.map(e => e.pics_big),
					current: index
				})
			}
		}
	}
</script>

<style lang="scss">
	.detail-container {
		padding-bottom: 50px;
	}

	swiper {
		height: 750rpx;

		image {
			width: 100%;
			height: 100%;
		}
	}

	.goods-box {
		padding: 10px;
		padding-right: 0;

		.price {
			font-size: 18px;
			color: #c00000;
			margin: 10px 0;
		}

		.goods-info {
			display: flex;
			justify-content: space-between;

			.goods-info-name {
				font-size: 13px;
				padding-right: 10px;
			}

			.favi {
				display: flex;
				flex-direction: column;
				justify-content: center;
				align-items: center;
				font-size: 12px;
				width: 120px;
				border-left: 1px solid #efefef;
				color: gray;
			}

		}

		.yf {
			font-size: 12px;
			color: gray;
			margin: 10px 0;
		}
	}

	.goodsNav {
		position: fixed;
		bottom: 0;
		right: 0;
		width: 100%;
	}
</style>
